// -------------------------------------------------
// BlinKit - BlinKit Library
// -------------------------------------------------
//   File Name: InstanceCounters.h
// Description: InstanceCounters Class
//      Author: Ziming Li
//     Created: 2021-07-05
// -------------------------------------------------
// Copyright (C) 2021 MingYang Software Technology.
// -------------------------------------------------

/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
*     * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*     * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef InstanceCounters_h
#define InstanceCounters_h

#include "core/CoreExport.h"
#include "wtf/Allocator.h"

#if ENABLE(ASSERT)
#include "wtf/MainThread.h"
#endif

namespace blink {

class InstanceCounters {
    STATIC_ONLY(InstanceCounters);
public:
    enum CounterType {
        ActiveDOMObjectCounter,
        AudioHandlerCounter,
        DocumentCounter,
        FrameCounter,
        JSEventListenerCounter,
        LayoutObjectCounter,
        NodeCounter,
        ResourceCounter,
        ScriptPromiseCounter,
        V8PerContextDataCounter,

        // This value must be the last.
        CounterTypeLength,
    };

    static inline void incrementCounter(CounterType type)
    {
        ASSERT(isMainThread());
    }

    static inline void decrementCounter(CounterType type)
    {
        ASSERT(isMainThread());
    }
};

} // namespace blink

#endif // !defined(InstanceCounters_h)
